ESP32-C3 datasheet(30/44 Pages) ESPRESSIF

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Electrical Characteristics

4. Electrical Characteristics

4.1 Absolute Maximum Ratings

Stresses beyond the absolute maximum ratings listed in the table below may cause permanent damage to the

device. These are stress ratings only, and do not refer to the functional operation of the device.

Table 11: Absolute Maximum Ratings

Symbol

Parameter

Min

Max

Unit

VDDA,

VDD3P3,

VDD3P3_RTC,

VDD3P3_CPU, VDD_SPI

Voltage applied to power supply pins

per power domain

–0.3

3.6

TST ORE

Storage temperature

–40

150

°C

4.2 Recommended Operating Conditions

Table 12: Recommended Operating Conditions

Symbol

Parameter

Min

Typ

Max

Unit

VDDA, VDD3P3

Voltage applied to power supply pins per

3.0

3.3

3.6

VDD3P3_RTC

power domain

VDD_SPI (working as

input power supply)1

—

3.0

3.3

3.6

VDD3P3_CPU2, 3

Voltage applied to power supply pin

3.0

3.3

3.6

IV DD

Current delivered by external power supply

0.5

—

Operating ambient

temperature

ESP32-C3

–40

—

105

°C

ESP32-C3FN4

ESP32-C3FH4

105

1 For more information, please refer to Section 2.3 Power Scheme.

2 When VDD_SPI is used to drive peripherals, VDD3P3_CPU should comply with the peripherals’ speci-

fications. For more information, please refer to Table 13.

3 To write eFuse, VDD3P3_CPU should not be higher than 3.3 V.

4 If you use a single power supply, the recommended output current is 500 mA or more.

4.3 VDD_SPI Output Characteristics

Table 13: VDD_SPI Output Characteristics

Symbol

Parameter

Typ

Unit

RSP I

On-resistance in 3.3 V mode

7.5

Ω

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